Re: [FFmpeg-user] Streaming an mp4/mov file in real time using FFMPEG (no moov atom)

On 1/10/2021 10:04 PM, Gyan Doshi wrote: In some live broadcast workflows, which need some post work before telecast, the encoder writes a file with pre-specified metadata i.e. timestamps and packet offsets, and writes out the media to those offsets. Thanks, learn something new every day. Giv

Re: [FFmpeg-user] Streaming an mp4/mov file in real time using FFMPEG (no moov atom)

On 11-01-2021 10:34 am, Carl Zwanzig wrote: On 1/10/2021 4:23 PM, Carl Eugen Hoyos wrote: Am Mo., 11. Jan. 2021 um 01:19 Uhr schrieb Rishit Temp : I am trying to read an incomplete MP4 file as it is being written in real time. This is in general impossible with FFmpeg. I'm not sure it's

Re: [FFmpeg-user] Streaming an mp4/mov file in real time using FFMPEG (no moov atom)

On 1/10/2021 4:23 PM, Carl Eugen Hoyos wrote: Am Mo., 11. Jan. 2021 um 01:19 Uhr schrieb Rishit Temp : I am trying to read an incomplete MP4 file as it is being written in real time. This is in general impossible with FFmpeg. I'm not sure it's possible at all with mp4/mov at all- you need

Re: [FFmpeg-user] Unable to play recorded audio and video from webcam using ffmpeg

Hi Moritz, Assuming ffmpeg actually segments like this (and not on keyframes): > Individual > frames cannot normally be played, unless they are keyframes. You should > play the complete segment "playlist" as a whole. ffplay will have > trouble identifying the streams and codecs in such a short sam

[FFmpeg-user] error with cuda for convert ts to mp4

Hi, i have GPU GTX660Ti on debian buster 64bit, cpu intel core i7. I have fresh install debian and install latest driver and cuda from website nvidia, no repository of debian. If convert file h264 with cpu it's ok, if use gpu i have error. The video prova.ts is recorder from decoder sat. Th

[FFmpeg-user] Lag when streaming video+audio from RPi Zero W with Logitech C920

I agree that it totally makes sense the two streams aren't in sync. My main question really was about the huge increase il lag, compared to the single streams. This is the complete output: > ffmpeg version 4.1.6-1~deb10u1+rpt1 Copyright (c) 2000-2020 the FFmpeg developers > built with gcc 8 (Ras

Re: [FFmpeg-user] Streaming an mp4/mov file in real time using FFMPEG (no moov atom)

Am Mo., 11. Jan. 2021 um 01:19 Uhr schrieb Rishit Temp : > I am trying to read an incomplete MP4 file as it is being written in real > time. This is in general impossible with FFmpeg. If the file would be written in a way that makes this possible (by renaming "old" moov atoms to free atoms ever

Re: [FFmpeg-user] Lag when streaming video+audio from RPi Zero W with Logitech C920

Am Sa., 9. Jan. 2021 um 07:46 Uhr schrieb Emanuele : > ffmpeg > -f v4l2 > > -vcodec h264 > -i /dev/video0 > -f alsa > -i hw:1,0 > -an > -preset > ultrafast > -tune zerolatency > -vcodec copy > -pix_fmt yuv420p > -r 30 > > -b:v 512k > -flags +global_header > -f rtp rtp://192.168.0.10:5

[FFmpeg-user] Streaming an mp4/mov file in real time using FFMPEG (no moov atom)

Hello, I am trying to read an incomplete MP4 file as it is being written in real time. Due to the limitations fo the tool I am required to use, the file I need to read in real time is constrained to mp4 or mov. With that in mind, I first tried to execute the following command to turn the mp4 f

Re: [FFmpeg-user] generating DASH manifest file

Am So., 10. Jan. 2021 um 20:19 Uhr schrieb Janis : > ffmpeg version 4.3.1 Please test current FFmpeg git head and report back and please remember not to use -hide_banner when asking questions here (unless they are related to hide_banner). Carl Eugen __

[FFmpeg-user] generating DASH manifest file

Hello everyone, Sometimes I have a problem with generating DASH manifest file, sometimes i don't. I would like to understand why is that so and what could i do about it, because i am using the same command in both cases. On error i get: .. [webm_dash_manifest @ 00495700] Error pars